U.S. patent number D628,637 [Application Number D/350,919] was granted by the patent office on 2010-12-07 for mechanical pencil. This patent grant is currently assigned to Beifa Group Co., Ltd.. Invention is credited to Yin Xiao.
United States Patent | D628,637 |
Xiao | December 7, 2010 |
Inventors: | Xiao; Yin (Ningbo, CN) |
---|---|
Assignee: | Beifa Group Co., Ltd. (Ningbo,
CN) |
Appl. No.: | D/350,919 |
Filed: | November 25, 2009 |
May 26, 2009 [CN] | 2009 3 0187286 | |||
Current U.S. Class: | D19/173; D19/916 |
Current International Class: | 1906 |
Field of Search: | ;D19/35,36,41-51,53-57 ;24/11F,11P,11R ;401/52,99,100,104-109,192,195,196 |
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